On Thu, 2009-09-24 at 18:06 +0100, Andy Pugh wrote: > 2009/9/24 Kirk Wallace <kwall...@wallacecompany.com>: > > > ) was fixed by adding a filter to my VFD's (shiny silver box in this > > picture): > > Is that on the input or the output? (single or three phase?) > > I note that they are inexpensive on eBay, and I have an encoder noise issue.
I use the three phase VFD with single phase 240VAC input. The filter is on the input. I put a ferrite bead over the three motor output leads. The bead didn't seem to help at all. Originally, without the VFD, the spindle motor leads had a separate filter on each lead. The high frequency output from the VFD burned these up, so beware of what is on your motor leads when you use a VFD. -- Kirk Wallace http://www.wallacecompany.com/machine_shop/ http://www.wallacecompany.com/E45/index.html California, USA ------------------------------------------------------------------------------ Come build with us! The BlackBerry® Developer Conference in SF, CA is the only developer event you need to attend this year. Jumpstart your developing skills, take BlackBerry mobile applications to market and stay ahead of the curve. Join us from November 9-12, 2009. Register now! http://p.sf.net/sfu/devconf _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
